Sigma 8mm F3.5 EX DG Circular Fisheye Specs
Wideangle fisheye prime lens | Canon EF, Nikon F (FX), Sigma SA Bayonet | 485
| Principal specifications | ||
|---|---|---|
| Lens type | Prime lens | |
| Max Format size | 35mm FF | |
| Focal length | 8 mm | |
| Image stabilization | No | |
| Lens mount | Canon EF, Nikon F (FX), Sigma SA Bayonet | |
| Aperture | ||
| Maximum aperture | F3.5 | |
| Minimum aperture | F22 | |
| Aperture ring | No | |
| Number of diaphragm blades | 6 | |
| Optics | ||
| Elements | 11 | |
| Groups | 6 | |
| Special elements / coatings | SLD glass | |
| Focus | ||
| Minimum focus | 0.14 m (5.31″) | |
| Autofocus | Yes | |
| Motor type | Micromotor | |
| Full time manual | Yes | |
| Focus notes | screw drive for nikon mount | |
| Physical | ||
| Weight | 400 g (0.88 lb) | |
| Diameter | 74 mm (2.89″) | |
| Length | 69 mm (2.7″) | |
| Sealing | No | |
| Colour | Black | |
| Filter notes | rear gelatin filter | |
| Tripod collar | No | |
| Other | ||
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